[postgis-tickets] [PostGIS] #4684: concurrent topology construction routine may result in invalid topology

[PostGIS]

#4684: concurrent topology construction routine may result in invalid topology
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  Reporter:  laopsahl  |      Owner:  strk
      Type:  defect    |     Status:  new
  Priority:  medium    |  Milestone:  PostGIS 3.0.4
 Component:  topology  |    Version:  3.0.x
Resolution:            |   Keywords:
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Comment (by strk):

 One thing to consider would be to expose an explicit topology locking
 routine, so that users who know they are going to perform multiple edits
 in a single transaction could obtain the lock once, rather than relying on
 internal locking, which would need to be checked once for each and every
 single edit (consider adding a single line may trigger multiple inserts
 and updates)

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4684#comment:27>
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